The ldap_unbind() function unbinds and closes an existing LDAP server connection.
result = ldap_unbind (LDAP_Connection);
|LDAP_Connection||Required. An LDAP Server Connection that was created by ldap_ open().|
|0||Unbind operation successful.|
|-1||Unbind operation failed.|
result = ldap_unbind (ldapConnection);
In this example, an unbind and close are performed on the LDAP server connection ID specified in ldapConnection.